docs: def api_password(service, fileId , ownerToken, newAuthKey):
      '''
          changes the authKey required to download a file hosted on a send server
      '''
  
      service += 'api/password/%s' % fileId
      auth = sendclient.common.unpadded_urlsafe_b64encode(newAuthKey)
      r = requests.post(service, json={'owner_token': ownerToken, 'auth': auth})
      r.raise_for_status()
  
      if r.text == 'OK':
          return True
      return False